Uponor, formerly known as Wirsbo, is a leading manufacturer and supplier of Plumbing, Heating/Cooling, and Fire Safety Systems for residential and commercial building applications. The 1" Zone Valve (A3070526) helps provide that extra needed flow control for a single-zoned manifold that serves one zone. The unit consists of a Motorized Valve Actuator (MVA) (A3020522) and a valve body. It features 1" sweat connections and has a built-in flowbalancing feature. Additionally, the MVA features an end-switch closure to indicate the valve position.